month {lubridate} | R Documentation |
Date-time must be a POSIXct, POSIXlt, Date, Period, chron, yearmon, yearqtr, zoo, zooreg, timeDate, xts, its, ti, jul, timeSeries, and fts objects.
month(x, label = FALSE, abbr = TRUE) month(x) <- value
x |
a date-time object |
label |
logical. TRUE will display the month as a character string such as "January." FALSE will display the month as a number. |
abbr |
logical. FALSE will display the month as a character string label, such as "January". TRUE will display an abbreviated version of the label, such as "Jan". abbr is disregarded if label = FALSE. |
value |
a numeric object |
the months element of x as a number (1-12) or character string. 1 = January.
x <- ymd("2012-03-26") month(x) month(x) <- 1 month(x) <- 13 month(x) > 3 month(ymd(080101)) # 1 month(ymd(080101), label = TRUE) # "Jan" month(ymd(080101), label = TRUE, abbr = FALSE) # "January" month(ymd(080101) + months(0:11), label = TRUE) # "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oct" "Nov" "Dec"